Claude web, Desktop & Cowork
Recommended: add the SocialSeal plugin directly from its GitHub repository. Registration in Claude's community marketplace is still pending, and this route requires no terminal or local setup.
- Open Customize in Claude's left sidebar. If you are using Cowork, open the Cowork tab first.
- Open Plugins. Under Personal plugins, select + → Add marketplace.
- Choose Add from a repository, enter
OpenSealAI/agent-skills, and confirm. - Click Install on
socialseal-agent-skills. - Type
/or click + in a chat to use the installed SocialSeal skills.
Plugins are available on Claude's paid plans. See Claude's plugin guide for availability and admin restrictions.
Connect live SocialSeal tools
The plugin adds SocialSeal's workflow skills. To let Claude use live workspace data and tools, also open Customize → Connectors, add https://mcp.socialseal.co/mcp as a custom connector, then connect and sign in.
Prefer Claude Cowork's upload flow? Download the skills as a ZIP file, then upload it from Plugins → Upload a skill.
Download skills ZIP